<template>
	<div>
		<!-- 面包屑导航区 -->
		<el-breadcrumb separator-class="el-icon-arrow-right">
		  <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
		  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
		  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
		</el-breadcrumb>
		
		<!-- 卡片视图区 -->
		<el-card >
		  <!-- 搜索与添加区域 -->
		 
			<el-row :gutter="20">
				<el-col :span="8"> 
					<el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable @clear="getUserList()">
					<el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
					</el-input>
				</el-col>
				<el-col :span="4">
					<el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
				</el-col>
			</el-row>
			
			<!-- 用户列表区域 -->
			<el-table :data="userlist" border stripe>
				<el-table-column type="index"></el-table-column>
				<el-table-column label="姓名"  prop="username"></el-table-column>
				<el-table-column label="邮箱"  prop="email"></el-table-column>
				<el-table-column label="电话"  prop="mobile"></el-table-column>
				<el-table-column label="角色"  prop="role_name"></el-table-column>
				<el-table-column label="状态"  prop="mg_state">
					<template v-slot="scope">
						<el-switch
						  v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
						</el-switch>
					</template>
				</el-table-column>
				<el-table-column label="操作" width="190">
					<template v-slot="scope">
						<!-- 修改 -->
						<el-button type="primary" size="mini" icon="el-icon-edit" @click="showEditDialog(scope.row.id)" ></el-button>
						<!-- 删除 -->
						<el-button type="danger" size="mini" icon="el-icon-delete" @click="removeUserById(scope.row.id)"></el-button>
						<!-- 分配 -->						
						 <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable="false">
						      <el-button type="warning" size="mini" icon="el-icon-setting" @click="setRole(scope.row)"></el-button>
						    </el-tooltip>
					</template>
				</el-table-column>
					
			</el-table>
		
			<!-- 分页区域 -->
			<el-pagination
			      @size-change="handleSizeChange"
			      @current-change="handleCurrentChange"
			      :current-page="queryInfo.pagenum"
			      :page-sizes="[1, 2, 5, 10]"
			      :page-size="queryInfo.pagesize"
			      layout="total, sizes, prev, pager, next, jumper"
			      :total="total">
			    </el-pagination>
		
		</el-card>
		<!-- 添加用户对话框 -->
		<el-dialog
		  title="添加用户"
		  :visible.sync="addDialogVisible"
		  width="50%" @close="addDialogClosed">
		  <!-- 内容主体区域 -->
		  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
		    <el-form-item label="用户名" prop="username">
		      <el-input v-model="addForm.username"></el-input>
		    </el-form-item>
			<el-form-item label="密码" prop="password">
			  <el-input v-model="addForm.password"></el-input>
			</el-form-item>
			<el-form-item label="邮箱" prop="email">
			  <el-input v-model="addForm.email"></el-input>
			</el-form-item>
			<el-form-item label="手机" prop="mobile">
			  <el-input v-model="addForm.mobile"></el-input>
			</el-form-item>
		  </el-form>
		  <!-- 底部区域 -->
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="addDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="addUser">确 定</el-button>
		  </span>
		</el-dialog>
		<!-- 修改用户对话框 -->
		<el-dialog
		  title="修改用户"
		  :visible.sync="editDialogVisble"
		  width="50%" @close="editDialogClosed">
		  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
		    <el-form-item label="用户名" >
		      <el-input v-model="editForm.username" disabled></el-input>
		    </el-form-item>
			<el-form-item label="邮箱" prop="email">
			  <el-input v-model="editForm.email" ></el-input>
			</el-form-item>
			<el-form-item label="手机号"  prop="mobile">
			  <el-input v-model="editForm.mobile" ></el-input>
			</el-form-item>
		  </el-form>
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="editDialogVisble = false">取 消</el-button>
		    <el-button type="primary" @click="editUserInfo">确 定</el-button>
		  </span>
		</el-dialog>
		
		<!-- 分配角色对话框 -->
		<el-dialog
		  title="提示"
		  :visible.sync="setRoleDialogVisible"
		  width="50%" @close="setRoleDialogClosed"
		  >
		  <div>
			  <p>当前用户：{{userInfo.username}}</p>
			  <p>当前角色：{{userInfo.role_name}}</p>
			  <p>分配新角色:
			  <el-select v-model="selectedRoleId" placeholder="请选择">
			      <el-option
			        v-for="item in rolesList"
			        :key="item.id"
			        :label="item.roleName"
			        :value="item.id">
			      </el-option>
			    </el-select></p>
		  </div>
		  <span slot="footer" class="dialog-footer">
		    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
		  </span>
		</el-dialog>
	</div>
</template>

<script>
export default{
	data(){
		// 验证邮箱的规则
		var checkEmail=(rule,value,cb)=>{
			// 正则表达式
			const regEmail =/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
			if(regEmail.test(value)){
				return cb()
			}
			cb(new Error('请输入合法的邮箱'))
			
			
		}
		// 验证手机号规则
		var checkMobile=(rule,value,cb)=>{
			// 正则表达式
			const regMobile=/^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/
			if(regMobile.test(value)){
				return cb()
			}
			cb(new Error('请输入合法的手机号'))
		}
		
		return{
			// 获取用户列表参数对象
			queryInfo:{
				query:'',
				// 当前页数
				pagenum:1,
				//当前每页显示多少条数据
				pagesize:2
			},
			userlist:[],
			total:0,
			// 控制添加用户对话框显示与隐藏
			addDialogVisible:false,
			// 添加用户表单数据
			addForm:{
				username:'',
				password:'',
				email:'',
				mobile:''
			},
			// 添加表单的验证规则对象
			addFormRules:{
				username:[
					{required:true, message:'请输入用户名',trigger:'blur'},
					{min:3, max:10, message:'用户名长度在3~10个字符之间', trigger:'blur'}
				],
				password:[
					{required:true, message:'请输入密码',trigger:'blur'},
					{min:6, max:15, message:'密码长度在6~10个字符之间', trigger:'blur'}
				],
				email:[
					{required:true, message:'请输入邮箱',trigger:'blur'},
					{validator:checkEmail,trigger:'blur'}
					
				],
				mobile:[
					{required:true, message:'请输入手机',trigger:'blur'},
					{validator:checkMobile,trigger:'blur'}
					
				],
			},
			// 控制修改用户对话框显示与隐藏
			editDialogVisble:false,
			// 查询到的用户信息对象
			editForm:{},
			// 修改表达的验证规则对象
			editFormRules:{
				email:[
					{required:true, message:'请输入邮箱',trigger:'blur'},
					{validator:checkEmail,trigger:'blur'}
				],
				mobile:[
					{required:true, message:'请输入手机',trigger:'blur'},
					{validator:checkMobile,trigger:'blur'}
					
				],
			},
			// 控制分配角色对话框的显示与隐藏
			setRoleDialogVisible:false,
			// 需要分配角色的用户信息
			userInfo:{},
			// 所有角色的数据列表
			rolesList:[],
			// 已选择的角色
			selectedRoleId:''
			
			
		}
	},
	created(){
		this.getUserList()
	},
	methods:{
		async getUserList(){
			const{ data:res} =await	this.$http.get('http://127.0.0.1:8888/api/private/v1/users',{params:this.queryInfo})
			if(res.meta.status !==200){
			 return this.$message.error('获取用户列表失败')	
			}
			this.userlist=res.data.users
			this.total=res.data.total
			console.log(res)
			
		
		},
		// 监听pagesize 改变事件
		handleSizeChange(newSize){
			// console.log(newSize)
			this.queryInfo.pagesize=newSize
			this.getUserList()
		},
		// 监听 页码值 改变的事件
		handleCurrentChange(newPage){
			// console.log(newPage)
			this.queryInfo.pagenum=newPage
			this.getUserList()
		},
		//监听 switch 开关状态的改变
		async userStateChanged(userinfo){
			console.log(userinfo)
			const{ data:res} =await this.$http.put(`http://127.0.0.1:8888/api/private/v1/users/${userinfo.id}/state/${userinfo.mg_state}`)
			if(res.meta.status !==200){
				userinfo.mg_state=!userinfo.mg_state
				return this.$message.error('更新用户状态失败！')
			}
			this.$message.success('更新用户成功')
		},
		// 监听添加用户对话框关闭事件
		addDialogClosed(){
			this.$refs.addFormRef.resetFields()
		},
		// 点击按钮，添加用户
		addUser(){
			this.$refs.addFormRef.validate(async valid=>{
				if(!valid) return
				// 可以添加网络请求
				const{ data:res} =await this.$http.post('http://127.0.0.1:8888/api/private/v1/users',this.addForm)
				if(res.meta.status!==201){
					this.$message.error('添加用户失败')
				}
				this.$message.success('添加用户成功')
				// 隐藏添加用户的对话框
				this.addDialogVisible=false
				// 重新获取用户列表数据
				this.getUserList()
				
			})
		},
		// 展示编辑用户的对话框
		async showEditDialog(id){
			const{ data:res} =await this.$http.get('http://127.0.0.1:8888/api/private/v1/users/'+id)
			if(res.meta.status!==200){
				return this.$message.error('查询用户失败')
			}
			this.editForm=res.data
			this.editDialogVisble=true
		},
		// 监听修改用户的对话框关闭事件
		editDialogClosed(){
			this.$refs.editFormRef.resetFields()
		},
		// 修改用户信息并提交
		editUserInfo(){
			this.$refs.editFormRef.validate(async valid =>{
				if(!valid) return
				// 发起修改用户信息的数据请求
				const{ data:res} =await this.$http.put('http://127.0.0.1:8888/api/private/v1/users/'+this.editForm.id,
				{email:this.editForm.email,
				mobile:this.editForm.mobile,
				})
				if(res.meta.status!==200){
					return this.$message.error('更新用户信息失败')
				}
				// 关闭对话框
				this.editDialogVisble=false
				// 刷新数据列表
				this.getUserList()
				// 提示修改成功
				this.$message.success('更新用户信息成功！')
			}
			)
		},
		// 根据id删除数据
		async removeUserById(id){
			// 弹出操作询问用户是否删除用户
			const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
			          confirmButtonText: '确定',
			          cancelButtonText: '取消',
			          type: 'warning'
			}).catch(err => err)
			
			// 如果用户确删除，返回字符串为confirm
			// 如果用户取消删除，返回字符串cancel
			if(confirmResult !=='confirm'){
				return this.$message.info('已经取消删除')
			}
			const {data:res}=await this.$http.delete('http://127.0.0.1:8888/api/private/v1/users/'+ id)
			if(res.meta.status!==200){
				return this.$message.error('删除用户失败')
			}
			// 提示修改成功
			this.$message.success('删除用户成功')
			// 刷新数据列表
			this.getUserList()
			
		},
		// 展示分配角色对话框
		async setRole(userInfo){
			this.userInfo=userInfo
			
			// 在展示对话框之前，获取所有的角色列表
			const {data:res}=await this.$http.get('http://127.0.0.1:8888/api/private/v1/roles')
			if(res.meta.status!==200){
				return this.$message.error('获取角色失败')
			}
			this.rolesList=res.data
			
			this.setRoleDialogVisible=true
		},
		// 点击按钮分配角色
		async saveRoleInfo(){
			const {data:res} = await this.$http.put(`http://127.0.0.1:8888/api/private/v1/users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
			if(res.meta.status!==200){
				return this.$message.error('更新角色失败')
			}
			this.$message.success('更新角色成功')
			this.getUserList()
			this.setRoleDialogVisible=false
		},
		// 监听对话框关闭事件
		setRoleDialogClosed(){
			this.selectedRoleId=''
			this.userInfo=''
		}	

	}
}
</script>

<style lang="less" scoped="">
	
</style>
